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89009 Activity Points
As a former chemistry major/physical science middle school teacher, I really like this site. I see now that the lessons are aligned with the NGSS. High school teachers might also take a look, especially if their students don't have a strong background or need some introductory lessons.
8845 Activity Points
Excellent! You might also like my Science podcast with a big dose of Chemistry - "All This Science"
149 Activity Points
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